Home / 8,747.64-13,119.12-5,973.84

Finding the Fourth Proportional to 8,747.64, 13,119.12 and 5,973.84

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Solution

The fourth proportional to 8,747.64, 13,119.12 and 5,973.84 is: 8,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.64 : 13,119.12 = 5,973.84 : x
  2. Step 2: Convert to fraction form
    8,747.64/13,119.12 = 5,973.84/x
  3. Step 3: Cross multiply
    8,747.64x = 13,119.12 × 5,973.84
  4. Step 4: Simplify right side
    8,747.64x = 78,371,523.82
  5. Step 5: Solve for x
    x = 78,371,523.82/8,747.64
  6. Step 6: Final answer
    x = 8,959.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.